Cheap flights from Kathmandu to Washington, D.C. from $646

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,197Multiple Airlines
Thu, Jun 11 - Tue, Jul 7
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,215Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,228Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 9:45 am
IAD
-
KTM
37h 05m
1 stop
$1,234Multiple Airlines
Thu, Jun 11 - Tue, Jul 7
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,237Multiple Airlines
Wed, Jul 1 - Tue, Sep 15
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,241Multiple Airlines
Fri, Jun 5 - Fri, Jun 12
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,243Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,246Multiple Airlines
Sun, Jun 7 - Sat, Jun 13
Qatar Airways Logo
10:00 am - 7:59 am
KTM
-
DCA
31h 44m
2 stops
Qatar Airways Logo
6:00 am - 4:45 pm
DCA
-
KTM
25h 00m
2 stops
$1,639Qatar Airways
Wed, May 27 - Thu, Aug 27
Qatar Airways Logo
10:00 am - 7:59 am
KTM
-
DCA
31h 44m
2 stops
Qatar Airways Logo
5:25 pm - 8:20 am
DCA
-
KTM
28h 10m
2 stops
$1,664Qatar Airways
Thu, May 21 - Sat, Nov 14

Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets
Qatar Airways
May 28
KTM3:30 pmKathmandu Tribhuvan
36h 35m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
Nov 5
IAD8:05 pmWashington, D.C. Dulles Intl
33h 35m
1 stop
KTM4:25 pmKathmandu Tribhuvan
$1,281
Qatar Airways
May 27
KTM3:30 pmKathmandu Tribhuvan
36h 35m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
Aug 27
IAD9:00 pmWashington, D.C. Dulles Intl
26h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
$1,315
Qatar Airways
May 27
KTM3:30 pmKathmandu Tribhuvan
36h 35m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
Aug 27
IAD9:00 pmWashington, D.C. Dulles Intl
26h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
$1,325

Air China flights from Kathmandu to Washington, D.C.

Our best Air China deals on Kathmandu to Washington, D.C. flight tickets
Air China
Oct 15
KTM11:55 amKathmandu Tribhuvan
41h 20m
2 stops
IAD7:30 pmWashington, D.C. Dulles Intl
Nov 27
IAD10:00 pmWashington, D.C. Dulles Intl
50h 50m
2 stops
KTM11:35 amKathmandu Tribhuvan
$1,304
Air China
Oct 14
KTM11:55 amKathmandu Tribhuvan
65h 20m
2 stops
IAD7:30 pmWashington, D.C. Dulles Intl
Nov 27
IAD10:00 pmWashington, D.C. Dulles Intl
50h 50m
2 stops
KTM11:35 amKathmandu Tribhuvan
$1,338

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 6/11

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Tue 7/7

10:55 am-6:10 pm

2 stops45h 30m

$1,197

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 6/3

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Wed 6/10

10:55 am-6:10 pm

2 stops45h 30m

$1,215

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 6/6

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Sat 6/13

10:55 am-6:10 pm

2 stops45h 30m

$1,228

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 6/11

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Tue 7/7

10:55 am-9:45 am

1 stop37h 05m

$1,234

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 7/1

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Tue 9/15

10:55 am-6:10 pm

2 stops45h 30m

$1,237

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 6/5

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Fri 6/12

10:55 am-6:10 pm

2 stops45h 30m

$1,241

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 6/6

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Sat 6/13

10:55 am-6:10 pm

2 stops45h 30m

$1,243

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 6/7

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Sat 6/13

10:55 am-6:10 pm

2 stops45h 30m

$1,246
Quickest round-trip

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 5/27

10:00 am-7:59 am

2 stops31h 44m

Washington, D.C. Reagan-National

Thu 8/27

6:00 am-4:45 pm

2 stops25h 00m

$1,639

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Thu 5/21

10:00 am-7:59 am

2 stops31h 44m

Washington, D.C. Reagan-National

Sat 11/14

5:25 pm-8:20 am

2 stops28h 10m

$1,664

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kathmandu and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Kathmandu, with most prices found around $409. If you’re not able to fly to Washington, D.C. in August, then July is your next best option. Flight prices from Kathmandu to Washington, D.C. during July average around $947.

How far in advance should I book a flight from Kathmandu to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,505 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Kathmandu for as low as $1,358 on momondo.

Can stopping save me money on Kathmandu to Washington, D.C. flights?

You could potentially save up to 8% on your flight if you consider stops on a Kathmandu to Washington, D.C. flight.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of May 2026, prices for Kathmandu to Washington, D.C. flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Fastest flight time

27h 45m

Direct flights

None
The fastest flight from Kathmandu to Washington, D.C. takes 27h 45m
There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..

Frequently asked questions about flying from Kathmandu to Washington, D.C.

  • How far is Kathmandu Tribhuvan to Washington, D.C. by plane?

    A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 27h 45m.

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kathmandu to Washington, D.C.?

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $1,150Free CancellationRating
5.5
2,957 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,241Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,281Free CancellationRating
7.4
4,357 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,482Free CancellationRating
8.1
3,571 reviews
Search Emirates flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Mon 6/8
Mon 6/15

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.